Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.69 − 51 =
- 2.60 − 41 =
- 3.64 − 23 =
- 4.73 − 19 =
- 5.75 − 64 =
- 6.62 − 27 =
- 7.54 − 21 =
- 8.67 − 31 =
- 9.59 − 43 =
- 10.74 − 26 =
- 11.75 − 36 =
- 12.67 − 54 =
- 13.94 − 32 =
- 14.64 − 52 =
- 15.67 − 19 =
- 16.55 − 23 =
- 17.61 − 17 =
- 18.85 − 64 =
- 19.75 − 52 =
- 20.85 − 32 =
- 21.94 − 82 =
- 22.94 − 34 =
- 23.92 − 33 =
- 24.52 − 31 =
- 25.69 − 28 =
- 26.64 − 15 =
- 27.96 − 14 =
- 28.83 − 38 =
- 29.56 − 29 =
- 30.61 − 14 =
- 31.85 − 39 =
- 32.84 − 49 =
- 33.53 − 39 =
- 34.63 − 25 =
- 35.63 − 23 =
- 36.93 − 32 =
- 37.54 − 22 =
- 38.73 − 61 =
- 39.61 − 47 =
- 40.55 − 42 =
Answer key
- 18
- 19
- 41
- 54
- 11
- 35
- 33
- 36
- 16
- 48
- 39
- 13
- 62
- 12
- 48
- 32
- 44
- 21
- 23
- 53
- 12
- 60
- 59
- 21
- 41
- 49
- 82
- 45
- 27
- 47
- 46
- 35
- 14
- 38
- 40
- 61
- 32
- 12
- 14
- 13
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths